نتایج جستجو برای: lymphatic malformation
تعداد نتایج: 33847 فیلتر نتایج به سال:
Abnormal lymphangiogenesis is associated with several diseases such as tumor metastasis and lymphangioma. Human lymphangioma originated from the transformation of lymphatic endothelium is a benign malformation of lymphatic vessels and its pathogenesis has up to date not been illuminated and its cell model has also not been established. An optimized method was used to isolate lymphatic endotheli...
OBJECTIVE To determine the efficacy and safety of radiofrequency (RF) ablation of vesicles and the resulting symptomatic control of microcystic lymphatic malformation (LM) in the oral cavity. DESIGN An institutional review board-approved retrospective study with follow-up telephone interview. SETTING Tertiary pediatric medical center. Patients Eleven children (6 girls and 5 boys), aged 4 to...
Infantile hemangiomas are proliferative vascular disorders that occur in the pediatric airway, potentially causing airway narrowing and respiratory stress. It appears in 1 out 10 children, more frequently in girls. Hemangiomas are benign tumours that usually appear on the head or neck but may also occur in deep organs. Until recently, the most common medical therapy used was high-dose systemic ...
UNLABELLED The present feasibility study evaluated the chorioallantoic membrane (CAM) assay established in cancer and angiogenesis research as a tool for the study of vascular anomalies (VAs) in the head and neck area, since the lack of appropriate model systems poses a major obstacle in VA research. MATERIALS AND METHODS VA tissues from three patients, two with an arteriovenous and one with ...
Introduction Lymphangioma is a rare benign tumor found in gastrointestinal tract. Most lymphangiomas can occur at any age and but mostly are found in children and infants. They are mainly due to malformation of the lymphatic system. They occur mainly in the head, neck and oral cavity, but less commonly develop in the abdominal cavity. Colonoscopy and endoscopic ultrasonography are frequently us...
PurposeCLAPO syndrome is a rare vascular disorder characterized by capillary malformation of the lower lip, lymphatic malformation predominant on the face and neck, asymmetry, and partial/generalized overgrowth. Here we tested the hypothesis that, although the genetic cause is not known, the tissue distribution of the clinical manifestations in CLAPO seems to follow a pattern of somatic mosaici...
Lymphatic malformation (LM) is a benign congenital childhood growth that presents primarily at birth, with the remainder becoming evident by age 2 years. LM can cause devastating complications such as respiratory failure, dyspnea, dysphagia, organ compression, and nerve compression. Surgery is the preferred treatment option, although resection is not always an option due to the anatomic locatio...
PURPOSE To characterize the MR appearance of the common hemangioma of infancy as well as low- and high-flow vascular malformations of the head and neck. PATIENTS AND METHODS Twenty patients with vascular lesions of the head and neck proved either by pathology, angiography, and/or unequivocal clinical diagnosis were included. Vascular lesions included 15 low-flow lesions (four hemangiomas, 10 ...
Hemolymphangioma is a rare disease with malformation of both lymphatic and vascular vessels. Few cases of hemolymphangioma occurring in the rectum, small intestine, pancreas, esophagus, and other organs have been reported. Nevertheless, multiple hemolymphangioma of the visceral organs are extremely rare. We report a 25-year-old female with a significantly enlarged spleen full of multiple-rounde...
INTRODUCTION Lymphatic malformations are low-flow vascular malformations most commonly located in the head and neck; isolated intraabdominal involvement is rare. PRESENTATION OF CASE An 8-month-old previously healthy male presented with a 9-day history of fevers. On examination, right-sided abdominal tenderness was noted. Ultrasound revealed a large heterogeneous mass, and CT scan revealed a ...
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